Hello there, quartzbycourtz.
We can enter the postage and shipping information in the Note to Customer field since there are no specific fields where we can record these details. Let me walk you through the process:
Feel free to read through this article: Create an invoice in QuickBooks Self-Employed. It provides instructions and detailed steps for your guidance. Also, you can visit the QBSE Blog to get updates about the latest features in QBSE.
Let me know if you have other questions. Take care and stay safe!